9. $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500

10. 1-100 Operations that “undo” one another are called this.

11. 1-100A 1 - 100 Inverse Operations

12. 1-200 These statements say that we must do the same operation on both sides if the equal sign.

13. 1-200A 1 - 100 Properties of Equality

14. 1-300 Another way of saying “get the variable all by itself.”

15. 1-300A 1 - 100 Isolate the Variable

16. 1-400 A value of a variable that makes an equation true.

17. 1-400A 1 - 100 Solution

18. 1-500 The process of finding a value or values of a variable that make an equation true.

19. 1-500A 1 - 100 Solving an Equation

20. 2-100 1 - 100 You need to complete this step to solve the equation -3x = 18.

21. 2-100A 1 - 100 Divide by -3.

22. 2-200 Solve the equation x - (-9) = 26

23. 2-200A 1 - 100 x = 17

24. 2-300 Solve the equation

25. 2-300A 1 - 100

26. 2-400 Solve the equation

27. 2-400A 1 - 100

28. 2-500 Solve the equation 3(2x - 4) + 12 = 24

29. 2-500A 1 - 100 x = 4

30. 3-100 1 - 100 Solve the equation -3x + 9 = 14

31. 3-100A 1 - 100 x= -5/3

32. 3-200 Solve the equation 2(4x - 3) = -18

33. 3-200A 1 - 100 Solve the equation x = -12/8 = -3/2

34. 3-300 Solve the equation 3(4 - 3x) + 9x = 10

35. 3-300A 1 - 100 No Solution

36. 3-400 Solve the equation 7(3x - 4) + 13 = -35

37. 3-400A 1 - 100 Solve the equation x = -20/21

38. 3-500 Solve the equation 3(4x - 1) + 2(5 - 4x) = 11

39. 3-500A 1 - 100 x = 1

40. 4-100 1 - 100 Solve the equation 7x – 4 = 5x + 16

41. 4-100A 1 - 100 x = 2

42. 4-200 Solve the equation 2(4x – 3) = -7x - 13

43. 4-200A 1 - 100 x = -7/15

44. 4-300 Solve the equation -3(4x – 7) – 6x = 8x – 2x - 27

45. 4-300A 1 - 100 x = 2

46. 4-400 Solve the equation 5(4x – 1) + 3 = 4(5x – 2) + 6

47. 4-400A 1 - 100 All numbers are solutions

48. 4-500 Solve the equation 3(2x – 1) – (3x – 4) = 5 – 2(3x + 4)

49. 4-500A 1 - 100 x = -4/9

50. 5-100 1 - 100 Solve for y: 3x – 2y = 4

51. 5-100A 1 - 100 y = -2 4 – 3x

52. 5-200 Solve for y: 3(2x – 4y) + 7 = 4x + 3

53. 5-200A 1 - 100 y = -12 -2x - 4

54. 5-300 Solve for y: 5x – 3y + 9 = -7x + 3y - 18

55. 5-300A 1 - 100 y = -6 -12x - 27

56. 5-400 Solve for A: 2A – T = 3B

57. 5-400A 1 - 100 A = 2 3B+T

58. 5-500 Solve for H: 3(KH + C) = 6D

59. 5-500A 1 - 100 H = 3K 6D – 3C

60. 6-100 1 - 100 Five more than three times a number is 23. What is the number?

61. 6-100A 1 - 100 Number = 6

62. 6-200 Define a variable and write an equation to represent the following situation: To bowl at Pat’s Lanes, it costs $2.50 for shoe rental and an additional $3.25 per game. How many games can Shari bowl for $15.50?

63. 6-200A 1 - 100 x = # games 3.25x + 2.5 = 15.50

64. 6-300 Make up an equation for which all numbers are solutions.

65. 6-300A 1 - 100

66. 6-400 Define a variable and write an equation for the following situation: Barry owes his parents $1,750. If he pays them $50 each month, after how many months will Barry’s debt be down to $500?

67. 6-400A 1 - 100 x = # of months 1750 – 50x = 500

68. 6-500 In the following solution, what are the equations 2x – 7 = 5 and 2x = 12 called? 2x – 7 = 5 +7 2x = 12 22 x =6

69. 6-500A 1 - 100 Equivalent Equations

71. Solve the equation Write your answer in fraction form.

73. X = -69/85

75. Daily Double Round 1